Ucfirst为php中的字符串中的特定字符

Question

Here i have my string 01Texdox

I want the output like 01TexDox.How can i achieve this ?

What i have tried in mysql is

UPDATE test1 SET test_char = CONCAT(UCASE(LEFT(test_char, 1)), SUBSTRING(test_char, 2));

In php

$var = "01Texdox";

echo ucfirst($var);

how can i achieve this in php ?

Answer 1

$var = "01Texdox";

$var[5] = strtoupper($var[5]);

echo $var ;